Wired
120 V connector, three long-life AA energizer® ultimate lithium backup batteries
Sensors
Split‑spectrum smoke sensor, 10 year electrochemical carbon monoxide sensor, temperature, humidity, occupancy (120° field of view up to 20 feet), ambient light, accelerometer, microphone
Wireless
802.11b/g/n (2.4GHz) Wi-Fi, 802.15.4 (2.4GHz), Bluetooth Low Energy
Generation
2nd generation
Product dimensions
1.5 x 5.3 x 5.3 in (LxWxH)
Weight
0.827 Lbs
What’s in the box
Nest Protect, batteries, backplate, four screws, user’s guide, welcome guide
